Adjustment: Engineered for smooth and sensitive adjustments, this tool set enhances your measuring experience by providing a better feel and more accurate measurements. The fine adjustment mechanism allows for precise control, ensuring high accuracy in every use. Sturdy Steel Construction: Crafted from manganese steel, this set undergoes a rigorous heat treatment process to high strength and resistance. Its build guarantees a long lifespan without rust, making it a reliable choice for professional and DIY use. Comprehensive Gages Range: This set includes four sizes of gauges, each designed to accommodate a specific range of measurements. Housed in a fitted case, the sizes include 1/8"-1/5", 1/5"-3/10", 3/10"-2/5", and 2/5"-1/2", offering versatility and for various applications. Versatile Measurement Tool: Ideal for a wide range of applications, these four small hole gauges are perfect for measuring both deep and shallow holes, slots, and grooves. They are also excellent for inspecting valve guide cleanliness and wear, making them indispensable in mechanical and automotive tasks., Weight: 0.661386786 Pounds, Manufacturer: Ehwisbe